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Evaporating heat transfer characteristics in small diameter tubes.

Caractéristiques de transfert de chaleur lors de l'évaporation dans les tubes de faible diamètre.

Auteurs : OH H. K., PARK K. W., ROH G. S., et al.

Résumé

Evaporating heat transfer coefficients of R22 and R134a were measured in smooth horizontal copper tubes with inner diameters of 1.77, 3.36 and 5.35 mm, respectively. The experiments were conducted in a closed loop, which was driven by a magnetic gear pump. Experiments were performed for the following ranges of variables: mass flux (200 to 400 kg/m2.s), saturation temperature (0 and 5°C) and quality (0 to 1.0).

Détails

  • Titre original : Evaporating heat transfer characteristics in small diameter tubes.
  • Identifiant de la fiche : 2006-1145
  • Langues : Anglais
  • Source : Green breeze from Asia: frontiers of refrigerants, heat transfer and system.. ACRA-2002. Proceedings of the Asian conference on refrigeration and air conditioning.
  • Date d'édition : 04/12/2002

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